Product Description At a Glance: Total 300W High Power Each band can work independently Each bands is adjustable Housing Waterproof & shockproof design suitable indoor or outdoor use Specification: Working frequency (6 bands): CDMA800: 70W GSM900; NMT:70W CDMA/TDMA, AMPS, IDEN, Nextel HGSM1800, DCS GSM1900 (+PHS), PCS:50W WCDMA/UMTS/3G:50W GPS ( L1 ):45W Wifi or Bluetooth:28W Total Output Power: 320 Watt. Size:56*46*27 cm Total System Weight:Approx 60 kg (with omni directional antennae.) Humidity:Up to 80% Operation Temperature:-20 ...+50 Centigrade degree Antenna Type:6pcs External high gain ( 7-8dBi ) omnidirectional ( Standard ) Shielding Range:300 to 500m ( signal strength